#0A2B40#0A2B40

#0A2B40 is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.7% C 0.054 H 240.9°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#0A2B40
RGB	rgb(10, 43, 64)
HSL	hsl(203, 73%, 15%)
HSV	hsv(203, 84%, 25%)
CMYK	cmyk(84.4%, 32.8%, 0%, 74.9%)
CIE-LAB	lab(16.32, -3.26, -16.69)
CIE-LCH	lch(16.32, 17.00, 258.94°)
OKLab	oklab(27.69% -0.0262 -0.0472)
OKLCH	oklch(27.69% 0.054 240.9)
XYZ	xyz(1.9141, 2.1622, 5.1660)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2B40 #401F0A

analogous

#0A403A #0A2B40 #0A1040

triadic

#0A2B40 #400A2B #2B400A

tetradic

#0A2B40 #3A0A40 #401F0A #10400A

square

#0A2B40 #3A0A40 #401F0A #10400A

split-complementary

#0A2B40 #400A10 #403A0A

monochromatic

#04121A #04121A #0A2B40 #124F75 #1B72AA

Accessibility & contrast

On white

14.66

#0A2B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0A2B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2B40

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2B40	#FFFFFF	#000000	##FFFFFF
##0A2B40	1.00	14.66	1.43	14.66
#FFFFFF	14.66	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212B41

Deuteranopia (green-blind)

#1A2640

Tritanopia (blue-blind)

#003032

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0a2b40;
/* rgb */ color: rgb(10, 43, 64);
/* oklch */ color: oklch(27.7% 0.054 240.9);

Tailwind

colors: {
  custom: {
    50: '#526475',
    500: '#0a2b40',
    950: '#000000',
  },
}

SCSS

$custom: #0a2b40;
$custom-light: #526475;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2b40",
  "rgb": {
    "r": 10,
    "g": 43,
    "b": 64
  },
  "hsl": {
    "h": 203.333,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.27692,
    "c": 0.05398,
    "h": 240.9
  },
  "luminance": 0.02162
}

Semantic roles & 50–950 ramp

primary

#0A2B40

secondary

#7D4929

accent

#8038F0

background

#F4F5F7

surface

#E7EAED

border

#C3C6C8

text

#030508

muted

#78797B

Preview Lab

Preview with #0A2B40

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →